Metabo WEPBA17-150 Quick 14.5 Amp 9,600 rpm Angle Grinder with Brake, Auto-balancer, Electronics and Non-locking Paddle Switch, 6" Metabo's 14.5 Amp LongLife motor delivers the extreme power of a large grinder and the compactness of a small grinder Fastest brake system for highest user protection: patented, mechanical disc brake stops the disc within 2 seconds after releasing the paddle switch Dead-man paddle switch function provides immediate shutdown of the motor when the paddle switch is released Integrated Metabo Auto-Balance system provides up to 50% less hand-arm vibrations, longer service life of the machine Metabo S-Automatic safety slip clutch helps the user to maintain control if the accessory jams reducing the likelihood of kickback